Shichi Genme wa Ninja Shugyou Desu!The Seventh Period is Ninja Training!; 七限目は忍者修行です！

Shino Hattori, a sheltered young lady from Iga City, never fits in at school. She thinks making friends is just a waste of time, so she spends each day aloneuntil she finds a strange coded note in her desk: Meet me behind the gym after class. Curious despite herself, Shino goesand meets Kanna Ueno, a girl who wants to become a ninja. Kanna insists they do ninja training togetherbasically ninja pretend playbut Shino immediately refuses. But Kanna wont take no for an answer. Armed with her ninjutsu (or something like it), she drags Shino into a whirlwind of trouble!?